| GENERAL CHARACTERISTICS ITEM DESCRIPTION | STEEL,CARBON,FED QQ-S-631,634 OR 637,COMPOSITION 1010,1020,1108 OR 1119,CADMIUM PLATING,FED-QQ-P-416,CLASS 3 TYPE 2,SURFACE HARDEN TO R15N 85 TO 88 AND TO A DEPTH OF .015 TO .030,0.490 WIDTH,0.875 OVERALL LENGTH,0.313 THICKNESS,1/4-28 UNF-2B,COUNTERSINK 90.0 DEGREES PLUS OR MINUS 10.0 DEGREES TO 0.260 PLUS 0.020 DIAMETER BOTH SIDE,LUG LENGTH 0.281 LUG WIDTH 0.240 MINUS 0.010,0.245 CENTER OF THREADED HOLE TO OUTSIDE EDGE ALONG WIDTH AND LENGTH |